// ==========================================
// ====== TODO: Research values here ========
// ==========================================

struct Vertex {
    float uv_x;
    float uv_y;
    float x, y, z;
};

layout (set = 0, binding = 0) uniform GlobalUniform {
    mat4 camera_view;
    mat4 camera_projection;
    mat4 camera_view_projection;
    mat4 camera_view_inverse;
    mat4 camera_projection_inverse;
    mat4 camera_previous_view;
    mat4 camera_previous_projection;
    vec2 render_resolution;
    vec2 jitter_offset;
    float delta;
    uint frame_count;
} Globals;

layout (set = 0, binding = 1) uniform ShaderOptions {
    float exposure;
    float alpha;
    int debug_display;
    uint albedo_texture_indices[];
} Options;

layout (rgba16f, set = 0, binding = 2) uniform image2D image;

layout (set = 1, binding = 0) uniform sampler2D Textures[];

layout (rgba8_snorm, set = 2, binding = 0) uniform image2D Images[];

layout (set = 3, binding = 0) uniform PBRMaterials {
    vec3 albedo;
    vec3 normal;
    float metallic;
    float roughness;
    float ao;
} Materials[];


layout (std430, buffer_reference) readonly buffer VertexBuffer {
    Vertex vertices[];
};

layout (push_constant) uniform constants {
    mat4 render_matrix;
    VertexBuffer vertex_buffer;
    uint sampler_index;
    uint image_index;
    uint material_index;
} PC;